实例化热更里的类

实例化热更里的类

Debug.Log("实例化热更里的类");
object obj = appdomain.Instantiate("HotFix_Project.InstanceClass", new object[] { 233 });


//第二种方式
IType type = appdomain.LoadedTypes["HotFix_Project.InstanceClass"];
object obj2 = ((ILType)type).Instantiate();

调用成员方法

    Debug.Log("调用成员方法");
    method = type.GetMethod("get_ID", 0);
    using (var ctx = appdomain.BeginInvoke(method))
    {
        ctx.PushObject(obj);
        ctx.Invoke();
        int id = ctx.ReadInteger();
        Debug.Log("!! HotFix_Project.InstanceClass.ID = " + id);
    }

    using (var ctx = appdomain.BeginInvoke(method))
    {
        ctx.PushObject(obj2);
        ctx.Invoke();
        int id = ctx.ReadInteger();
        Debug.Log("!! HotFix_Project.InstanceClass.ID = " + id);
    }
    
    Debug.Log("调用泛型方法");
    IType stringType = appdomain.GetType(typeof(string));
    IType[] genericArguments = new IType[] { stringType };
    appdomain.InvokeGenericMethod("HotFix_Project.InstanceClass", "GenericMethod", genericArguments, null, "TestString");

    Debug.Log("获取泛型方法的IMethod");
    paramList.Clear();
    paramList.Add(intType);
    genericArguments = new IType[] { intType };
    method = type.GetMethod("GenericMethod", paramList, genericArguments);
    appdomain.Invoke(method, null, 33333);

    Debug.Log("调用带Ref/Out参数的方法");
    method = type.GetMethod("RefOutMethod", 3);
    int initialVal = 500;
    using(var ctx = appdomain.BeginInvoke(method))
    {
        //第一个ref/out参数初始值
        ctx.PushObject(null);
        //第二个ref/out参数初始值
        ctx.PushInteger(initialVal);
        //压入this
        ctx.PushObject(obj);
        //压入参数1:addition
        ctx.PushInteger(100);
        //压入参数2: lst,由于是ref/out，需要压引用，这里是引用0号位，也就是第一个PushObject的位置
        ctx.PushReference(0);
        //压入参数3,val，同ref/out
        ctx.PushReference(1);
        ctx.Invoke();
        //读取0号位的值
        List<int> lst = ctx.ReadObject<List<int>>(0);
        initialVal = ctx.ReadInteger(1);

        Debug.Log(string.Format("lst[0]={0}, initialVal={1}", lst[0], initialVal));
    }

HotFix_Project 项目的 InstanceClass.cs 文件

using System;
using System.Collections.Generic;

namespace HotFix_Project
{
    public class InstanceClass
    {
        private int id;

        public InstanceClass()
        {
            UnityEngine.Debug.Log("!!! InstanceClass::InstanceClass()");
            this.id = 0;
        }

        public InstanceClass(int id)
        {
            UnityEngine.Debug.Log("!!! InstanceClass::InstanceClass() id = " + id);
            this.id = id;
        }

        public int ID
        {
            get { return id; }
        }

        // static method
        public static void StaticFunTest()
        {
            UnityEngine.Debug.Log("!!! InstanceClass.StaticFunTest()");
        }

        public static void StaticFunTest2(int a)
        {
            UnityEngine.Debug.Log("!!! InstanceClass.StaticFunTest2(), a=" + a);
        }

        public static void GenericMethod<T>(T a)
        {
            UnityEngine.Debug.Log("!!! InstanceClass.GenericMethod(), a=" + a);
        }

        public void RefOutMethod(int addition, out List<int> lst, ref int val)
        {
            val = val + addition + id;
            lst = new List<int>();
            lst.Add(id);
        }
    }


}